20189071413

素因数分解:

$3^2\times 7^1\times {\mathrm{523}}^1\times {\mathrm{612737}}^1$

素因数の和:613273

約数の個数: 24

約数和(自身を含む): 33391770048

約数和(自身を除く): 13202698635

約数列:

[1, 3, 7, 9, 21, 63, 523, 1569, 3661, 4707, 10983, 32949, 612737, 1838211, 4289159, 5514633, 12867477, 38602431, 320461451, 961384353, 2243230157, 2884153059, 6729690471, 20189071413]

約数ペア:

[(1, 20189071413), (3, 6729690471), (7, 2884153059), (9, 2243230157), (21, 961384353), (63, 320461451), (523, 38602431), (1569, 12867477), (3661, 5514633), (4707, 4289159), (10983, 1838211), (32949, 612737)]